Use null for null resource pack prompts (#6572)

patches/server/0058-Complete-resource-pack-API.patch

@@ -23,7 +23,7 @@ index 22c2c121bbcc7b0e15d73d20c9cc83d5fb085e5f..edb66e8c4507597ec8c35883460f88de
  
      @Override
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
-index 50cce9e9a67dc2e6722f87b06907b37402158700..90317fef5ebfb44e0f200a75569edfec7a5d9b1a 100644
+index 50cce9e9a67dc2e6722f87b06907b37402158700..d526d80631088ad80b1fb7e5e3e42e9d8d8d8bcf 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftPlayer.java
 @@ -126,6 +126,7 @@ import org.bukkit.metadata.MetadataValue;
@@ -66,7 +66,7 @@ index 50cce9e9a67dc2e6722f87b06907b37402158700..90317fef5ebfb44e0f200a75569edfec
 +        Validate.notNull(hash, "Hash cannot be null");
 +        net.minecraft.network.chat.Component promptComponent = resourcePackPrompt != null ?
 +                            io.papermc.paper.adventure.PaperAdventure.asVanilla(resourcePackPrompt) :
-+                           new net.minecraft.network.chat.TextComponent("");
++                           null;
 +        this.getHandle().sendTexturePack(url, hash, required, promptComponent);
 +    }
 +